html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    /*font-style: sans-serif;*/
}

body {
    width: 100%;
    height: 100%;
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    /*background-color: #4A374A;  !*背景颜色*!*/
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-image: url("/images/login_bg.png"); /*springboot查看*/
    /*background-image: url("../static/images/login_bg.png");*/ /*本地查看*/
}

#login {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -150px 0 0 -150px;
    width: 300px;
    height: 300px;
}

#login h1 {
    color: #212F3D;
    text-shadow: 0 0 0px;
    letter-spacing: 1px;
    text-align: center;
}

h1 {
    font-size: 2em;
    margin: 0.67em 0;

}

input {
    width: 278px;
    height: 18px;
    margin-bottom: 10px;
    outline: none;
    padding: 10px;
    font-size: 13px;
    color: black;
    /*text-shadow:1px 1px 1px;*/
    border-top: 1px solid #312E3D;
    border-left: 1px solid #312E3D;
    border-right: 1px solid #312E3D;
    border-bottom: 1px solid #56536A;
    border-radius: 4px;
    background-color: #FDFEFE;
}

.but {
    width: 300px;
    min-height: 20px;
    display: block;
    background-color: #4a77d4;
    border: 1px solid #3762bc;
    color: #fff;
    padding: 9px 14px;
    font-size: 15px;
    line-height: normal;
    border-radius: 5px;
    margin: 10px;
}

#div_btn{
    position: center;
}

#div_input{
    position: center;
}